Romania's largest salt lake, a former sea bay next to Eforie: cold mud baths on the Techirghiol shore in summer, flocks of rare birds on water that does not freeze in winter.
A spa resort 15 km from Sibiu with salt lakes formed where old salt mines caved in: in summer you swim in water that keeps you afloat, between white banks of salt.
A spa resort in Maramureș with salt lakes that formed on the surface above old salt mines, including Lake Gavril, 30 m deep; salt-water bathing happens in the pools of the local complexes.
The resort that runs straight into Mangalia from the north: 1970s tower hotels, a beach in the middle of being widened, a public spa sanatorium and, behind it all, the Mlaștina Hergheliei nature reserve.
A spa resort more than two centuries old in a narrow valley of the Nemira Mountains: numbered mineral springs you drink from for free, a park with shaded paths and the 1894 Art Nouveau Casino.
Salt lakes formed over the old salt mines of Telega, near Câmpina: in summer you swim in water holding almost 277 g of salts per litre. The mine galleries cannot be visited.
A spa resort more than two centuries old in the Dorna Depression: carbonated springs, peat mud, a park full of squirrels and the Spa Casino, restored and reopened as a museum.
A resort on the southern coast, three kilometres north of Mangalia: a recently widened beach, bays closed off by breakwaters, hotels with women's names set around a lake and sulphurous waters used for treatment.